625005135 has 24 divisors (see below), whose sum is σ = 1084013424. Its totient is φ = 333129600.

The previous prime is 625005131. The next prime is 625005137. The reversal of 625005135 is 531500526.

625005135 is a `hidden beast` number, since 625 + 0 + 0 + 5 + 1 + 35 = 666.

It is not a de Polignac number, because 625005135 - 2² = 625005131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625005099 and 625005108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93660 + ... + 100110.

It is an arithmetic number, because the mean of its divisors is an integer number (45167226).

Almost surely, 2^625005135 is an apocalyptic number.

625005135 is a deficient number, since it is larger than the sum of its proper divisors (459008289).

625005135 is a wasteful number, since it uses less digits than its factorization.

625005135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615 (or 8612 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 625005135 is about 25000.1026997891. The cubic root of 625005135 is about 854.9903148590.

The spelling of 625005135 in words is "six hundred twenty-five million, five thousand, one hundred thirty-five".